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| 1 // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 // Flags: --allow-natives-syntax --block-concurrent-recompilation |
| 6 // Flags: --no-concurrent-osr |
| 7 |
| 8 function Ctor() { |
| 9 this.a = 1; |
| 10 } |
| 11 |
| 12 function get_closure() { |
| 13 return function add_field(obj, osr) { |
| 14 obj.c = 3; |
| 15 var x = 0; |
| 16 if (osr) { |
| 17 %OptimizeFunctionOnNextCall(add_field, "osr"); |
| 18 } |
| 19 for (var i = 0; i < 10; i++) { |
| 20 x = i + 1; |
| 21 } |
| 22 return x; |
| 23 } |
| 24 } |
| 25 |
| 26 var f1 = get_closure(); |
| 27 f1(new Ctor(), false); |
| 28 f1(new Ctor(), false); |
| 29 |
| 30 %OptimizeFunctionOnNextCall(f1, "concurrent"); |
| 31 |
| 32 // Kick off concurrent recompilation and OSR. |
| 33 var o = new Ctor(); |
| 34 f1(o, true); |
| 35 assertOptimized(f1, "no sync"); |
| 36 |
| 37 // Flush the optimizing compiler's queue. |
| 38 %NotifyContextDisposed(); |
| 39 assertUnoptimized(f1, "no sync"); |
| 40 |
| 41 // Trigger deopt. |
| 42 o.c = 2.2; |
| 43 |
| 44 var f2 = get_closure(); |
| 45 f2(new Ctor(), true); |
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